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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.math3.optimization.univariate;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import org.apache.commons.math3.util.Incrementor;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.apache.commons.math3.exception.NotStrictlyPositiveException;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.apache.commons.math3.exception.TooManyEvaluationsException;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.apache.commons.math3.exception.MaxCountExceededException;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.commons.math3.analysis.UnivariateFunction;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.commons.math3.optimization.GoalType;<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>    /**<a name="line.26"></a>
<FONT color="green">027</FONT>     * Provide an interval that brackets a local optimum of a function.<a name="line.27"></a>
<FONT color="green">028</FONT>     * This code is based on a Python implementation (from &lt;em&gt;SciPy&lt;/em&gt;,<a name="line.28"></a>
<FONT color="green">029</FONT>     * module {@code optimize.py} v0.5).<a name="line.29"></a>
<FONT color="green">030</FONT>     *<a name="line.30"></a>
<FONT color="green">031</FONT>     * @version $Id: BracketFinder.java 1422230 2012-12-15 12:11:13Z erans $<a name="line.31"></a>
<FONT color="green">032</FONT>     * @deprecated As of 3.1 (to be removed in 4.0).<a name="line.32"></a>
<FONT color="green">033</FONT>     * @since 2.2<a name="line.33"></a>
<FONT color="green">034</FONT>     */<a name="line.34"></a>
<FONT color="green">035</FONT>    @Deprecated<a name="line.35"></a>
<FONT color="green">036</FONT>    public class BracketFinder {<a name="line.36"></a>
<FONT color="green">037</FONT>        /** Tolerance to avoid division by zero. */<a name="line.37"></a>
<FONT color="green">038</FONT>        private static final double EPS_MIN = 1e-21;<a name="line.38"></a>
<FONT color="green">039</FONT>        /**<a name="line.39"></a>
<FONT color="green">040</FONT>         * Golden section.<a name="line.40"></a>
<FONT color="green">041</FONT>         */<a name="line.41"></a>
<FONT color="green">042</FONT>        private static final double GOLD = 1.618034;<a name="line.42"></a>
<FONT color="green">043</FONT>        /**<a name="line.43"></a>
<FONT color="green">044</FONT>         * Factor for expanding the interval.<a name="line.44"></a>
<FONT color="green">045</FONT>         */<a name="line.45"></a>
<FONT color="green">046</FONT>        private final double growLimit;<a name="line.46"></a>
<FONT color="green">047</FONT>        /**<a name="line.47"></a>
<FONT color="green">048</FONT>         * Counter for function evaluations.<a name="line.48"></a>
<FONT color="green">049</FONT>         */<a name="line.49"></a>
<FONT color="green">050</FONT>        private final Incrementor evaluations = new Incrementor();<a name="line.50"></a>
<FONT color="green">051</FONT>        /**<a name="line.51"></a>
<FONT color="green">052</FONT>         * Lower bound of the bracket.<a name="line.52"></a>
<FONT color="green">053</FONT>         */<a name="line.53"></a>
<FONT color="green">054</FONT>        private double lo;<a name="line.54"></a>
<FONT color="green">055</FONT>        /**<a name="line.55"></a>
<FONT color="green">056</FONT>         * Higher bound of the bracket.<a name="line.56"></a>
<FONT color="green">057</FONT>         */<a name="line.57"></a>
<FONT color="green">058</FONT>        private double hi;<a name="line.58"></a>
<FONT color="green">059</FONT>        /**<a name="line.59"></a>
<FONT color="green">060</FONT>         * Point inside the bracket.<a name="line.60"></a>
<FONT color="green">061</FONT>         */<a name="line.61"></a>
<FONT color="green">062</FONT>        private double mid;<a name="line.62"></a>
<FONT color="green">063</FONT>        /**<a name="line.63"></a>
<FONT color="green">064</FONT>         * Function value at {@link #lo}.<a name="line.64"></a>
<FONT color="green">065</FONT>         */<a name="line.65"></a>
<FONT color="green">066</FONT>        private double fLo;<a name="line.66"></a>
<FONT color="green">067</FONT>        /**<a name="line.67"></a>
<FONT color="green">068</FONT>         * Function value at {@link #hi}.<a name="line.68"></a>
<FONT color="green">069</FONT>         */<a name="line.69"></a>
<FONT color="green">070</FONT>        private double fHi;<a name="line.70"></a>
<FONT color="green">071</FONT>        /**<a name="line.71"></a>
<FONT color="green">072</FONT>         * Function value at {@link #mid}.<a name="line.72"></a>
<FONT color="green">073</FONT>         */<a name="line.73"></a>
<FONT color="green">074</FONT>        private double fMid;<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>        /**<a name="line.76"></a>
<FONT color="green">077</FONT>         * Constructor with default values {@code 100, 50} (see the<a name="line.77"></a>
<FONT color="green">078</FONT>         * {@link #BracketFinder(double,int) other constructor}).<a name="line.78"></a>
<FONT color="green">079</FONT>         */<a name="line.79"></a>
<FONT color="green">080</FONT>        public BracketFinder() {<a name="line.80"></a>
<FONT color="green">081</FONT>            this(100, 50);<a name="line.81"></a>
<FONT color="green">082</FONT>        }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>        /**<a name="line.84"></a>
<FONT color="green">085</FONT>         * Create a bracketing interval finder.<a name="line.85"></a>
<FONT color="green">086</FONT>         *<a name="line.86"></a>
<FONT color="green">087</FONT>         * @param growLimit Expanding factor.<a name="line.87"></a>
<FONT color="green">088</FONT>         * @param maxEvaluations Maximum number of evaluations allowed for finding<a name="line.88"></a>
<FONT color="green">089</FONT>         * a bracketing interval.<a name="line.89"></a>
<FONT color="green">090</FONT>         */<a name="line.90"></a>
<FONT color="green">091</FONT>        public BracketFinder(double growLimit,<a name="line.91"></a>
<FONT color="green">092</FONT>                             int maxEvaluations) {<a name="line.92"></a>
<FONT color="green">093</FONT>            if (growLimit &lt;= 0) {<a name="line.93"></a>
<FONT color="green">094</FONT>                throw new NotStrictlyPositiveException(growLimit);<a name="line.94"></a>
<FONT color="green">095</FONT>            }<a name="line.95"></a>
<FONT color="green">096</FONT>            if (maxEvaluations &lt;= 0) {<a name="line.96"></a>
<FONT color="green">097</FONT>                throw new NotStrictlyPositiveException(maxEvaluations);<a name="line.97"></a>
<FONT color="green">098</FONT>            }<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>            this.growLimit = growLimit;<a name="line.100"></a>
<FONT color="green">101</FONT>            evaluations.setMaximalCount(maxEvaluations);<a name="line.101"></a>
<FONT color="green">102</FONT>        }<a name="line.102"></a>
<FONT color="green">103</FONT>    <a name="line.103"></a>
<FONT color="green">104</FONT>        /**<a name="line.104"></a>
<FONT color="green">105</FONT>         * Search new points that bracket a local optimum of the function.<a name="line.105"></a>
<FONT color="green">106</FONT>         *<a name="line.106"></a>
<FONT color="green">107</FONT>         * @param func Function whose optimum should be bracketed.<a name="line.107"></a>
<FONT color="green">108</FONT>         * @param goal {@link GoalType Goal type}.<a name="line.108"></a>
<FONT color="green">109</FONT>         * @param xA Initial point.<a name="line.109"></a>
<FONT color="green">110</FONT>         * @param xB Initial point.<a name="line.110"></a>
<FONT color="green">111</FONT>         * @throws TooManyEvaluationsException if the maximum number of evaluations<a name="line.111"></a>
<FONT color="green">112</FONT>         * is exceeded.<a name="line.112"></a>
<FONT color="green">113</FONT>         */<a name="line.113"></a>
<FONT color="green">114</FONT>        public void search(UnivariateFunction func, GoalType goal, double xA, double xB) {<a name="line.114"></a>
<FONT color="green">115</FONT>            evaluations.resetCount();<a name="line.115"></a>
<FONT color="green">116</FONT>            final boolean isMinim = goal == GoalType.MINIMIZE;<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>            double fA = eval(func, xA);<a name="line.118"></a>
<FONT color="green">119</FONT>            double fB = eval(func, xB);<a name="line.119"></a>
<FONT color="green">120</FONT>            if (isMinim ?<a name="line.120"></a>
<FONT color="green">121</FONT>                fA &lt; fB :<a name="line.121"></a>
<FONT color="green">122</FONT>                fA &gt; fB) {<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>                double tmp = xA;<a name="line.124"></a>
<FONT color="green">125</FONT>                xA = xB;<a name="line.125"></a>
<FONT color="green">126</FONT>                xB = tmp;<a name="line.126"></a>
<FONT color="green">127</FONT>    <a name="line.127"></a>
<FONT color="green">128</FONT>                tmp = fA;<a name="line.128"></a>
<FONT color="green">129</FONT>                fA = fB;<a name="line.129"></a>
<FONT color="green">130</FONT>                fB = tmp;<a name="line.130"></a>
<FONT color="green">131</FONT>            }<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>            double xC = xB + GOLD * (xB - xA);<a name="line.133"></a>
<FONT color="green">134</FONT>            double fC = eval(func, xC);<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>            while (isMinim ? fC &lt; fB : fC &gt; fB) {<a name="line.136"></a>
<FONT color="green">137</FONT>                double tmp1 = (xB - xA) * (fB - fC);<a name="line.137"></a>
<FONT color="green">138</FONT>                double tmp2 = (xB - xC) * (fB - fA);<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>                double val = tmp2 - tmp1;<a name="line.140"></a>
<FONT color="green">141</FONT>                double denom = Math.abs(val) &lt; EPS_MIN ? 2 * EPS_MIN : 2 * val;<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>                double w = xB - ((xB - xC) * tmp2 - (xB - xA) * tmp1) / denom;<a name="line.143"></a>
<FONT color="green">144</FONT>                double wLim = xB + growLimit * (xC - xB);<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>                double fW;<a name="line.146"></a>
<FONT color="green">147</FONT>                if ((w - xC) * (xB - w) &gt; 0) {<a name="line.147"></a>
<FONT color="green">148</FONT>                    fW = eval(func, w);<a name="line.148"></a>
<FONT color="green">149</FONT>                    if (isMinim ?<a name="line.149"></a>
<FONT color="green">150</FONT>                        fW &lt; fC :<a name="line.150"></a>
<FONT color="green">151</FONT>                        fW &gt; fC) {<a name="line.151"></a>
<FONT color="green">152</FONT>                        xA = xB;<a name="line.152"></a>
<FONT color="green">153</FONT>                        xB = w;<a name="line.153"></a>
<FONT color="green">154</FONT>                        fA = fB;<a name="line.154"></a>
<FONT color="green">155</FONT>                        fB = fW;<a name="line.155"></a>
<FONT color="green">156</FONT>                        break;<a name="line.156"></a>
<FONT color="green">157</FONT>                    } else if (isMinim ?<a name="line.157"></a>
<FONT color="green">158</FONT>                               fW &gt; fB :<a name="line.158"></a>
<FONT color="green">159</FONT>                               fW &lt; fB) {<a name="line.159"></a>
<FONT color="green">160</FONT>                        xC = w;<a name="line.160"></a>
<FONT color="green">161</FONT>                        fC = fW;<a name="line.161"></a>
<FONT color="green">162</FONT>                        break;<a name="line.162"></a>
<FONT color="green">163</FONT>                    }<a name="line.163"></a>
<FONT color="green">164</FONT>                    w = xC + GOLD * (xC - xB);<a name="line.164"></a>
<FONT color="green">165</FONT>                    fW = eval(func, w);<a name="line.165"></a>
<FONT color="green">166</FONT>                } else if ((w - wLim) * (wLim - xC) &gt;= 0) {<a name="line.166"></a>
<FONT color="green">167</FONT>                    w = wLim;<a name="line.167"></a>
<FONT color="green">168</FONT>                    fW = eval(func, w);<a name="line.168"></a>
<FONT color="green">169</FONT>                } else if ((w - wLim) * (xC - w) &gt; 0) {<a name="line.169"></a>
<FONT color="green">170</FONT>                    fW = eval(func, w);<a name="line.170"></a>
<FONT color="green">171</FONT>                    if (isMinim ?<a name="line.171"></a>
<FONT color="green">172</FONT>                        fW &lt; fC :<a name="line.172"></a>
<FONT color="green">173</FONT>                        fW &gt; fC) {<a name="line.173"></a>
<FONT color="green">174</FONT>                        xB = xC;<a name="line.174"></a>
<FONT color="green">175</FONT>                        xC = w;<a name="line.175"></a>
<FONT color="green">176</FONT>                        w = xC + GOLD * (xC - xB);<a name="line.176"></a>
<FONT color="green">177</FONT>                        fB = fC;<a name="line.177"></a>
<FONT color="green">178</FONT>                        fC =fW;<a name="line.178"></a>
<FONT color="green">179</FONT>                        fW = eval(func, w);<a name="line.179"></a>
<FONT color="green">180</FONT>                    }<a name="line.180"></a>
<FONT color="green">181</FONT>                } else {<a name="line.181"></a>
<FONT color="green">182</FONT>                    w = xC + GOLD * (xC - xB);<a name="line.182"></a>
<FONT color="green">183</FONT>                    fW = eval(func, w);<a name="line.183"></a>
<FONT color="green">184</FONT>                }<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>                xA = xB;<a name="line.186"></a>
<FONT color="green">187</FONT>                fA = fB;<a name="line.187"></a>
<FONT color="green">188</FONT>                xB = xC;<a name="line.188"></a>
<FONT color="green">189</FONT>                fB = fC;<a name="line.189"></a>
<FONT color="green">190</FONT>                xC = w;<a name="line.190"></a>
<FONT color="green">191</FONT>                fC = fW;<a name="line.191"></a>
<FONT color="green">192</FONT>            }<a name="line.192"></a>
<FONT color="green">193</FONT>    <a name="line.193"></a>
<FONT color="green">194</FONT>            lo = xA;<a name="line.194"></a>
<FONT color="green">195</FONT>            fLo = fA;<a name="line.195"></a>
<FONT color="green">196</FONT>            mid = xB;<a name="line.196"></a>
<FONT color="green">197</FONT>            fMid = fB;<a name="line.197"></a>
<FONT color="green">198</FONT>            hi = xC;<a name="line.198"></a>
<FONT color="green">199</FONT>            fHi = fC;<a name="line.199"></a>
<FONT color="green">200</FONT>    <a name="line.200"></a>
<FONT color="green">201</FONT>            if (lo &gt; hi) {<a name="line.201"></a>
<FONT color="green">202</FONT>                double tmp = lo;<a name="line.202"></a>
<FONT color="green">203</FONT>                lo = hi;<a name="line.203"></a>
<FONT color="green">204</FONT>                hi = tmp;<a name="line.204"></a>
<FONT color="green">205</FONT>    <a name="line.205"></a>
<FONT color="green">206</FONT>                tmp = fLo;<a name="line.206"></a>
<FONT color="green">207</FONT>                fLo = fHi;<a name="line.207"></a>
<FONT color="green">208</FONT>                fHi = tmp;<a name="line.208"></a>
<FONT color="green">209</FONT>            }<a name="line.209"></a>
<FONT color="green">210</FONT>        }<a name="line.210"></a>
<FONT color="green">211</FONT>    <a name="line.211"></a>
<FONT color="green">212</FONT>        /**<a name="line.212"></a>
<FONT color="green">213</FONT>         * @return the number of evalutations.<a name="line.213"></a>
<FONT color="green">214</FONT>         */<a name="line.214"></a>
<FONT color="green">215</FONT>        public int getMaxEvaluations() {<a name="line.215"></a>
<FONT color="green">216</FONT>            return evaluations.getMaximalCount();<a name="line.216"></a>
<FONT color="green">217</FONT>        }<a name="line.217"></a>
<FONT color="green">218</FONT>    <a name="line.218"></a>
<FONT color="green">219</FONT>        /**<a name="line.219"></a>
<FONT color="green">220</FONT>         * @return the number of evalutations.<a name="line.220"></a>
<FONT color="green">221</FONT>         */<a name="line.221"></a>
<FONT color="green">222</FONT>        public int getEvaluations() {<a name="line.222"></a>
<FONT color="green">223</FONT>            return evaluations.getCount();<a name="line.223"></a>
<FONT color="green">224</FONT>        }<a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>        /**<a name="line.226"></a>
<FONT color="green">227</FONT>         * @return the lower bound of the bracket.<a name="line.227"></a>
<FONT color="green">228</FONT>         * @see #getFLo()<a name="line.228"></a>
<FONT color="green">229</FONT>         */<a name="line.229"></a>
<FONT color="green">230</FONT>        public double getLo() {<a name="line.230"></a>
<FONT color="green">231</FONT>            return lo;<a name="line.231"></a>
<FONT color="green">232</FONT>        }<a name="line.232"></a>
<FONT color="green">233</FONT>    <a name="line.233"></a>
<FONT color="green">234</FONT>        /**<a name="line.234"></a>
<FONT color="green">235</FONT>         * Get function value at {@link #getLo()}.<a name="line.235"></a>
<FONT color="green">236</FONT>         * @return function value at {@link #getLo()}<a name="line.236"></a>
<FONT color="green">237</FONT>         */<a name="line.237"></a>
<FONT color="green">238</FONT>        public double getFLo() {<a name="line.238"></a>
<FONT color="green">239</FONT>            return fLo;<a name="line.239"></a>
<FONT color="green">240</FONT>        }<a name="line.240"></a>
<FONT color="green">241</FONT>    <a name="line.241"></a>
<FONT color="green">242</FONT>        /**<a name="line.242"></a>
<FONT color="green">243</FONT>         * @return the higher bound of the bracket.<a name="line.243"></a>
<FONT color="green">244</FONT>         * @see #getFHi()<a name="line.244"></a>
<FONT color="green">245</FONT>         */<a name="line.245"></a>
<FONT color="green">246</FONT>        public double getHi() {<a name="line.246"></a>
<FONT color="green">247</FONT>            return hi;<a name="line.247"></a>
<FONT color="green">248</FONT>        }<a name="line.248"></a>
<FONT color="green">249</FONT>    <a name="line.249"></a>
<FONT color="green">250</FONT>        /**<a name="line.250"></a>
<FONT color="green">251</FONT>         * Get function value at {@link #getHi()}.<a name="line.251"></a>
<FONT color="green">252</FONT>         * @return function value at {@link #getHi()}<a name="line.252"></a>
<FONT color="green">253</FONT>         */<a name="line.253"></a>
<FONT color="green">254</FONT>        public double getFHi() {<a name="line.254"></a>
<FONT color="green">255</FONT>            return fHi;<a name="line.255"></a>
<FONT color="green">256</FONT>        }<a name="line.256"></a>
<FONT color="green">257</FONT>    <a name="line.257"></a>
<FONT color="green">258</FONT>        /**<a name="line.258"></a>
<FONT color="green">259</FONT>         * @return a point in the middle of the bracket.<a name="line.259"></a>
<FONT color="green">260</FONT>         * @see #getFMid()<a name="line.260"></a>
<FONT color="green">261</FONT>         */<a name="line.261"></a>
<FONT color="green">262</FONT>        public double getMid() {<a name="line.262"></a>
<FONT color="green">263</FONT>            return mid;<a name="line.263"></a>
<FONT color="green">264</FONT>        }<a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>        /**<a name="line.266"></a>
<FONT color="green">267</FONT>         * Get function value at {@link #getMid()}.<a name="line.267"></a>
<FONT color="green">268</FONT>         * @return function value at {@link #getMid()}<a name="line.268"></a>
<FONT color="green">269</FONT>         */<a name="line.269"></a>
<FONT color="green">270</FONT>        public double getFMid() {<a name="line.270"></a>
<FONT color="green">271</FONT>            return fMid;<a name="line.271"></a>
<FONT color="green">272</FONT>        }<a name="line.272"></a>
<FONT color="green">273</FONT>    <a name="line.273"></a>
<FONT color="green">274</FONT>        /**<a name="line.274"></a>
<FONT color="green">275</FONT>         * @param f Function.<a name="line.275"></a>
<FONT color="green">276</FONT>         * @param x Argument.<a name="line.276"></a>
<FONT color="green">277</FONT>         * @return {@code f(x)}<a name="line.277"></a>
<FONT color="green">278</FONT>         * @throws TooManyEvaluationsException if the maximal number of evaluations is<a name="line.278"></a>
<FONT color="green">279</FONT>         * exceeded.<a name="line.279"></a>
<FONT color="green">280</FONT>         */<a name="line.280"></a>
<FONT color="green">281</FONT>        private double eval(UnivariateFunction f, double x) {<a name="line.281"></a>
<FONT color="green">282</FONT>            try {<a name="line.282"></a>
<FONT color="green">283</FONT>                evaluations.incrementCount();<a name="line.283"></a>
<FONT color="green">284</FONT>            } catch (MaxCountExceededException e) {<a name="line.284"></a>
<FONT color="green">285</FONT>                throw new TooManyEvaluationsException(e.getMax());<a name="line.285"></a>
<FONT color="green">286</FONT>            }<a name="line.286"></a>
<FONT color="green">287</FONT>            return f.value(x);<a name="line.287"></a>
<FONT color="green">288</FONT>        }<a name="line.288"></a>
<FONT color="green">289</FONT>    }<a name="line.289"></a>




























































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